UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZntrUCbAvSXBiGfrGJly3PkHNxVweke+xjKpcTgXEr4=' 
WHERE 
  key_id = 'a1e7f4f2642c9ac4926aa580b2da21cd61d34db59bdb8835550dbfce5c66afab' 
  AND (
    token = 'ZntrUCbAvSXBiGfrGJly3PkHNxVweke+xjKpcTgXEr4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )